package io;

import java.io.*;

public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("劳大.jpeg");
        BufferedInputStream bis = new BufferedInputStream(fis);
        FileOutputStream fos = new FileOutputStream("copy24.jpeg");
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        long start = System.currentTimeMillis();
        int d;
        while ((d = bis.read()) != -1) {
            bos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕,耗时" + (end - start) + "毫秒");
        bis.close();//关闭高级流的时候，顺便关闭低级流
        bos.close();
    }
}
